mperature alarm function
                    Technical Parameter (1800 Type):
| Model | Max
 Temperature (℃)  | 
Inner Size
 (W *H * D) mm  | 
Volume
 (L)  | 
Power
 (KW)  | 
Phase | Thermocouple | 
| DM-18HM-1 | 1800 | 100*100*100 | 1 | 2 | 1 | B type | 
| DM-18HM-2 | 1800 | 120*120*130 | 2 | 4 | 1 | B type | 
| DM-18HM-3 | 1800 | 150*150*150 | 3 | 6 | 1 | B type | 
| DM-18HM-5 | 1800 | 150*150*200 | 5 | 7 | 1 | B type | 
| DM-18HM-8 | 1800 | 200*200*200 | 8 | 8 | 1 | B type | 
| DM-18HM-12 | 1800 | 200*200*300 | 12 | 9 | 1 | B type | 
| DM-18HM-27 | 1800 | 300*300*300 | 27 | 12 | 3 | B type | 
| DM-18HM-36 | 1800 | 300*300*400 | 36 | 15 | 3 | B type |